1722153113 has 2 divisors, whose sum is σ = 1722153114. Its totient is φ = 1722153112.

The previous prime is 1722153079. The next prime is 1722153127. The reversal of 1722153113 is 3113512271.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 923977609 + 798175504 = 30397^2 + 28252^2 .

It is an emirp because it is prime and its reverse (3113512271) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1722153113 - 2¹⁸ = 1721890969 is a prime.

It is a super-2 number, since 2×1722153113² = 5931622689231181538, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1722153133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 861076556 + 861076557.

It is an arithmetic number, because the mean of its divisors is an integer number (861076557).

Almost surely, 2^1722153113 is an apocalyptic number.

It is an amenable number.

1722153113 is a deficient number, since it is larger than the sum of its proper divisors (1).

1722153113 is an equidigital number, since it uses as much as digits as its factorization.

1722153113 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1260, while the sum is 26.

The square root of 1722153113 is about 41498.8326703294. The cubic root of 1722153113 is about 1198.6450245456.

Adding to 1722153113 its reverse (3113512271), we get a palindrome (4835665384).

The spelling of 1722153113 in words is "one billion, seven hundred twenty-two million, one hundred fifty-three thousand, one hundred thirteen".